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( Niharika Jain ),( Surbhi Goyal ),( Puja Sakhuja ),( Sundeep Saluja ) 대한소화기학회 2021 대한소화기학회지 Vol.78 No.3
Schmincke described lymphoepithelioma as an undifferentiated carcinoma with abundant lymphoid stroma in the nasopharynx. Tumors with a similar histomorphology in extrapharyngeal areas have been referred to as lymphoepithelioma-like carcinoma (LELC). The association of an Ebstein-Barr virus (EBV) infection with lymphoepithelioma is well established in the nasopharynx but not so well at the extrapharyngeal sites. Only four cases of LELC have been reported in the gall bladder, of which all were negative for the EBV. This paper reports the first case of an EBV-associated mixed gall bladder carcinoma exhibiting a distinct phenotype of LELC and adenocarcinoma with mucinous differentiation. The EBV was confirmed by the strong granular membranous and cytoplasmic expression of LMP-1 (latent membrane protein-1) on immunohistochemistry and nuclear EBER RNA on chromogen in-situ hybridization in the tumor. This is the first case of LELC positive for EBV in the gall bladder. LELC has a more favorable prognosis than conventional adenocarcinoma or squamous cell carcinoma, irrespective of the site. Although a higher T stage and nodal metastasis were exceptional in the present case in contrast to the previous cases, the EBV-associated lymphocytic response might limit the disease spread and confer better overall survival and prognosis in these patients. Nevertheless, more prospective studies with a larger cohort will be needed to understand the pathogenesis, biological behavior, and prognosis of this rare entity. (Korean J Gastroenterol 2021;78:188-194)
Clay Therapy in Wound Healing: A Brief Review of the Literature
Ovincy Cene,Babel Shrinit,Baral Suman,Poudel Shasi,Jain Surbhi 대한창상학회 2024 Journal of Wound Management and Research Vol.20 No.1
Clay is ubiquitous, and its hydrous phyllosilicate properties have promoted its use as a traditional wound healing agent in many cultures. Various types of natural clay have been utilized for skin diseases and wound treatments. Therefore, we aimed to study natural and synthetic clay minerals and summarize their applicability in medical settings. A review of prospective studies published since 2008 examining the properties of different forms of natural clay minerals and their therapeutic benefits in wound care was conducted. Studies were obtained using the databases of Google Scholar, PubMed, Web of Science, and HINARI (Health Inter-Network Access to Research Initiative) and searching related journals. The primary outcomes were assessed qualitatively and were categorized by the type of natural clay used. The included papers studied five available types of clay: Chamliyal clay, French green clay, Oregon Mineral Technologies blue clay, Kisameet clay, and various synthetic clays. The studies found how these forms of clay together demonstrate anti-inflammatory and antibacterial properties while promoting fibroblast regeneration and circulation while remaining biocompatible. Clay-based materials may be a potential alternative for conventional dressings for wound healing in resource-limited settings. This review opens doors to expanding clay-based therapies for wound healing.